Merge pull request #136 from asfadmin/devel

Preparing for SEASAT beta release
Merge branch 'devel'
Merge pull request #143 from asfadmin/devel

Devel
Change reprocess_frame to not require the .meta file
Merge branch 'seasat_devel' of https://github.com/asfadmin/ASF_MapReady into seasat_devel
Merge branch 'devel' into seasat
Merge branch 'devel' of https://github.com/asfadmin/ASF_MapReady into seasat
Merge branch 'master' of https://github.com/asfadmin/ASF_MapReady into seasat
Merge branch 'devel' into seasat
Merge branch 'seasat' of https://github.com/khogenso/ASF_MapReady into seasat
Merge branch 'devel' into seasat
Calc yaw in meta2iso

Also change the stats program to not double the extension
Fix compiler warning
New tool, update_state, updates state vectors.
Handle requesting just 1 vector.
Fix spacing issues in help
Clarify behavior when using --spacing in the help.
Build update_state as part of MapReady
Merge pull request #4 from khogenso/update_state

Update state
Merge pull request #152 from khogenso/update_state

New tool update_state; just a command-line wrapper for propagate_state()